====================================IMPORTANT: This app is for you only if you are already able to run a 10K====================================

21K Runner is the easiest and most successful program in training 10K Runners to train for their first 21K. If you can do 10K, with this app you will get to 21K.

21K improves your fitness with an awesome training program. You start with a 10K fitness level, and the running gradually increases to a full 21K. Just plug in your headphones, play your favorites music, and the app will guide you.

Motivation is the key factor in long distance running, and 21K Runner keeps you motivated - its the true magic of this app, and its built into every screen. The running plan is achievable and enjoyable, the app keeps a log of your runs & achievements and awards you with badges, and you can also share your progress with your friends on Facebook, Twitter, or by mail. It even includes the motivational quotes to keep your spirit in tune with your body.

This app keeps people running. Built by pros and with proven success, this is the ULTIMATE half marathon training app.

MUSIC / GPS / INDOOR-OUTDOOR● listen to your music during exercises● audio coach gently blends in when needed● on-screen controls for Apple music app● great with all music apps● works with any GPS app (like Nike+ GPS)● works outdoors / indoors / treadmill

WINS / ACHIEVEMENTS● each completed run is a Win● receive Badges for your progress● app tracks & logs each time you do a new run● wins screen shows your history & Badges● share Wins / Badges with your friends on facebook, twitter, email

AND THERE'S MORE● guidance & information for beginners.● extensive answers to all common questions.● links to stretching & warmup videos.● works outdoors / indoors / treadmill● works perfectly even if your device is locked● works perfectly also in background● male & female audio coaches● flips upside down to fit any armband● and there is more...